It's done the same thing to me once in a while, but all I can say is that it's nothing we've done.Just when I'm almost annoyed enough to start making phone calls is when it usually goes back to normal.

(I wouldn't necessarily let Chrome off the hook, though. They recently changed some things without my permission, and I'm still royally pissed about it. My Bookmarks are WRONG now because I hate what they've done. And No. It's NOT an improvement!!)